26HS01GTAM03 datasheet(102/166 Pages) INFINEON

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Datasheet

102 of 166

002-12337 Rev. *Y

2022-01-18

256Mb/512Mb/1Gb SEMPER™ Flash

HYPERBUS™ interface, 1.8V/3.0V

Registers

5.2.17

Infineon Endurance Flex architecture selection register (EFXx) (x8)

The Infineon Endurance Flex architecture selection registers (EFXx) define the long retention / high endurance

regions based on a four pointer based architecture.

Table 84

Infineon Endurance Flex architecture selection register (Pointer 4) (x8)

Bit number

Name

Function

Read/write

N = Nonvolatile

V = Volatile

Factory

default

(binary)

Description

EFX4[10:2]

EPTAD4[8:0]

EnduraFlex Pointer 4

Address Selection

N => R/1

111111111

Description: The EPTAD4[8:0] bits define the 9-bit address

of the beginning sector from where the long retention / high

endurance region is defined.

Selection Options: Pointer Address

Dependency: N/A

EFX4[1]

ERGNT4

EnduraFlex Pointer 4

based Region Type

Selection

N => R/1

Description: The ERGNT4 bit defines whether the region is

long retention or high endurance.

Selection Options:

0 = Long Retention Sectors

1 = High Endurance Sectors

Dependency: N/A

EFX4[0]

EPTEB4

EnduraFlex Pointer 4

Enable# Selection

N => R/1

Description: The EPTEN4 bit defines whether the wear

leveling pointer is enabled/disabled.

Selection Options:

0 = Pointer Address Enabled

1 = Pointer Address Disabled

Dependency: N/A

Table 85

Infineon Endurance Flex architecture selection register (Pointer 3) (x8)

Bit number

Name

Function

Read/write

N = Nonvolatile

V = Volatile

Factory

default

(binary)

Description

EFX3[10:2]

EPTAD3[8:0]

EnduraFlex Pointer 3

Address Selection

N => R/1

111111111

Description: The EPTAD3[8:0] bits define the 9-bit address of

the beginning sector from where the long retention / high

endurance region is defined.

Selection Options: Pointer Address

Dependency: N/A

EFX3[1]

ERGNT3

EnduraFlex Pointer 3

based Region Type

Selection

N => R/1

Description: The ERGNT3 bit defines whether the region is

long retention or high endurance.

Selection Options:

0 = Long Retention Sectors

1 = High Endurance Sectors

Dependency: N/A

EFX3[0]

EPTEB3

EnduraFlex Pointer 3

Enable# Selection

N => R/1

Description: The EPTEN3 bit defines whether the wear

leveling pointer is enabled/disabled.

Selection Options:

0 = Pointer Address Enabled

1 = Pointer Address Disabled

Dependency: N/A

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